John Lawrence Rapier (June 15, 1842 – May 7, 1905) was an American Civil War soldier and businessman. A native of Mobile, Alabama, he saw action as a sergeant major in the Seven Days Battles, and later became a second lieutenant in the Confederate States Marine Corps. He was captured at Fort Gaines, Mobile Bay, Alabama, August 5, 1864, and paroled at Nanna Hubba Bluff, Alabama, May 10, 1865.After the war, he became the owner of the Mobile Register, and served as postmaster of Mobile.